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  <title>Document</title>
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    table{border-collapse: collapse}
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  <table>
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        <th>1</th>
        <th>2</th>
        <th>3</th>
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      <tr style="background-color: #fcc;border:2px solid #f00">
        <td>4</td>
        <td>5</td>
        <td>6</td>
        <td>7</td>
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      <tr>
        <td>8</td>
        <td>9</td>
        <td>10</td>
        <td>10</td>
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        <td></td>
        <td></td>
        <td></td>
        <td></td>
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